:root {
    --orange: #ff5100;
    --orange-hover: #e64900;
    --black: #111111;
    --text: #1a1a1a;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --bg: #f9fafb;
    --white: #ffffff;
}

body { background: var(--white); color: var(--text); }

/* ===== BREADCRUMB ===== */
.breadcrumb-bar {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 5px 0;
    margin-top: 107px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    flex-wrap: wrap;
}

.breadcrumb a { color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb i { font-size: 10px; color: #d1d5db; }
.breadcrumb .current { color: var(--text); font-weight: 500; }

/* ===== PROYECTO HERO ===== */
.proyecto-hero {
    padding: 52px 0 48px;
    border-bottom: 1px solid var(--border);
    background: var(--white);
}

.proyecto-hero-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 30px;
}

.proyecto-cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 81, 0, 0.08);
    color: var(--orange);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 5px 13px;
    border-radius: 20px;
    margin-bottom: 22px;
}

.proyecto-hero h1 {
    font-family: 'Inter', sans-serif;
    font-size: clamp(26px, 4.5vw, 40px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.7px;
    color: var(--black);
    margin-bottom: 14px;
}

.proyecto-hero-desc {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.proyecto-meta-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding-top: 22px;
    border-top: 1px solid var(--border);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

.meta-item i { font-size: 13px; color: #d1d5db; }

.meta-divider { width: 1px; height: 24px; background: var(--border); }

.estado-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
}

/* ===== BODY LAYOUT ===== */
.proyecto-body-wrapper { padding: 52px 0 60px; }

.proyecto-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    align-items: start;
}

/* ===== CONTENIDO ===== */
.proyecto-content {
    font-family: 'Inter', sans-serif;
    font-size: 16.5px;
    line-height: 1.85;
    color: #374151;
    min-width: 0;
}

.proyecto-content p  { margin-bottom: 1.4em; }
.proyecto-content h2 { font-size: 24px; font-weight: 700; color: var(--black); margin: 2em 0 0.7em; letter-spacing: -0.3px; }
.proyecto-content h3 { font-size: 19px; font-weight: 700; color: var(--black); margin: 1.6em 0 0.5em; }
.proyecto-content ul, .proyecto-content ol { margin: 1.2em 0; padding-left: 1.6em; }
.proyecto-content li { margin-bottom: 0.5em; }
.proyecto-content strong { color: var(--black); font-weight: 600; }

.proyecto-content a {
    color: var(--orange);
    text-decoration: underline;
    text-decoration-color: rgba(255,81,0,0.3);
}

.proyecto-content blockquote {
    margin: 2em 0;
    padding: 18px 22px;
    border-left: 4px solid var(--orange);
    background: rgba(255,81,0,0.04);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-muted);
    font-size: 15.5px;
}

.proyecto-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1.5em 0;
    border: 1px solid var(--border);
}

/* Tecnologías */
.tecno-section { margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--border); }
.tecno-section h4 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-muted); margin-bottom: 14px; }
.tecno-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tecno-tag {
    padding: 5px 14px;
    background: var(--black);
    color: var(--white);
    border-radius: 20px;
    font-size: 12.5px;
    font-weight: 500;
}

/* Botón proyecto online */
.btn-proyecto {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 36px;
    padding: 13px 24px;
    background: var(--orange);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-proyecto:hover { background: var(--orange-hover); transform: translateY(-1px); }

/* ===== SIDEBAR ===== */
.proyecto-sidebar {
    position: sticky;
    top: 120px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.sidebar-card-title {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
}

.sidebar-card-body { padding: 18px; }

/* Imagen del proyecto */
.sidebar-img-wrap {
    position: relative;
    cursor: zoom-in;
}

.sidebar-cover-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--border);
    transition: filter 0.2s;
}

.sidebar-img-wrap:hover .sidebar-cover-img { filter: brightness(0.85); }

.sidebar-img-expand {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    background: rgba(0,0,0,0.55);
    color: white;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.sidebar-img-wrap:hover .sidebar-img-expand { opacity: 1; }

/* Meta list en sidebar */
.sidebar-meta-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.sidebar-meta-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13.5px;
}

.sidebar-meta-list li i { width: 16px; color: var(--orange); font-size: 13px; flex-shrink: 0; margin-top: 2px; }
.sidebar-meta-list li span { color: var(--text-muted); display: block; font-size: 11px; }
.sidebar-meta-list li strong { color: var(--text); font-weight: 500; display: block; }

.btn-back {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: var(--black);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-back:hover { background: #222; }

/* ===== PROYECTOS RELACIONADOS ===== */
.related-section {
    padding: 60px 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
}

.related-inner { max-width: 1200px; margin: 0 auto; padding: 0 30px; }

.related-header { margin-bottom: 32px; }
.related-header .section-tag {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--orange);
    display: block;
    margin-bottom: 8px;
}
.related-header h2 { font-size: 22px; font-weight: 700; color: var(--black); letter-spacing: -0.4px; }

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.related-card {
    background: var(--white);
    border-radius: 10px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.2s;
    text-decoration: none;
    display: block;
}

.related-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); border-color: #d1d5db; transform: translateY(-2px); }

.related-card-img { height: 160px; background: var(--bg); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.related-card-img img { width: 100%; height: 100%; object-fit: cover; }
.related-card-img .no-img { font-size: 2.5rem; color: #d1d5db; }

.related-card-body { padding: 16px; }
.related-card-cat { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: var(--orange); margin-bottom: 7px; display: block; }
.related-card-title { font-size: 14.5px; font-weight: 600; color: var(--black); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; }
.related-card:hover .related-card-title { color: var(--orange); }
.related-card-cliente { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 5px; }

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.88);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 90vh; border-radius: 8px; object-fit: contain; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }

.lightbox-close {
    position: absolute;
    top: 18px;
    right: 22px;
    color: white;
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
    background: none;
    border: none;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.lightbox-close:hover { opacity: 1; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .proyecto-layout { grid-template-columns: 1fr; }
    .proyecto-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
    .proyecto-sidebar .sidebar-card { flex: 1; min-width: 240px; }
}

@media (max-width: 768px) {
    .breadcrumb-bar { margin-top: 95px; }
    .proyecto-hero { padding: 36px 0 30px; }
    .proyecto-hero-inner, .related-inner { padding: 0 20px; }
    .proyecto-layout { padding: 0 20px; gap: 32px; }
    .proyecto-content { font-size: 15.5px; }
    .proyecto-sidebar { flex-direction: column; }
    .related-grid { grid-template-columns: 1fr; }
}